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Heffernan, PA Weather Forecast
Heffernan, PA Weather Forecast Dated: 110 AM Fri Aug 21 2026 (Heffernan Time)
Fri, 21st Lo: 16°C60°F Hi: 27°C80°F |
Overcast Friday, temperatures as high as 80°F27°C, low temperature around 60°F16°C, chance of rain 80%, wind out of the NNE 9 mph14 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 70%. |
| Sat, 22nd Lo: 19°C66°F Hi: 22°C72°F |
Overcast Saturday, temperatures as high as 72°F22°C, low temperature around 66°F19°C, chance of rain 73%, wind out of the E 10 mph17 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 84%. |
Sun, 23rd Lo: 19°C66°F Hi: 27°C80°F |
Chance of showers Sunday, temperatures as high as 80°F27°C, low temperature around 66°F19°C, chance of rain 36%, wind out of the WNW 11 mph18 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 73%. |
Mon, 24th Lo: 16°C61°F Hi: 26°C79°F |
Sunny Monday, temperatures as high as 79°F26°C, low temperature around 61°F16°C, chance of rain 3%, wind out of the W 12 mph19 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 55%. |
| Tue, 25th Lo: 18°C64°F Hi: 26°C79°F |
Overcast Tuesday, temperatures as high as 79°F26°C, low temperature around 64°F18°C, chance of rain 6%, wind out of the NW 7 mph12 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 52%. |
| Wed, 26th Lo: 18°C65°F Hi: 28°C83°F |
Sunny Wednesday, temperatures as high as 83°F28°C, low temperature around 65°F18°C, chance of rain 4%, wind out of the E 5 mph8 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 52%. |
| Thu, 27th Lo: 19°C67°F Hi: 24°C75°F |
Overcast Thursday, temperatures as high as 75°F24°C, low temperature around 67°F19°C, chance of rain 86%, wind out of the ESE 6 mph10 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi9 km, humidity 87%. |
| Fri, 28th Lo: 20°C69°F Hi: 28°C83°F |
Chance of showers Friday, temperatures as high as 83°F28°C, low temperature around 69°F20°C, chance of rain 56%, wind out of the NNE 4 mph6 km/h. Barometric pressure 29.97 in1015 mb, visibility 4 mi6 km, humidity 82%. |
| Sat, 29th Lo: 20°C69°F Hi: 29°C83°F |
Overcast Saturday, temperatures as high as 83°F29°C, low temperature around 69°F20°C, chance of rain 65%, wind out of the NE 7 mph12 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 75%. |
| Sun, 30th Lo: 20°C69°F Hi: 29°C84°F |
Overcast Sunday, temperatures as high as 84°F29°C, low temperature around 69°F20°C, chance of rain 80%, wind out of the S 10 mph17 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi9 km, humidity 80%. |
| Mon, 31st Lo: 21°C70°F Hi: 31°C88°F |
Overcast Monday, temperatures as high as 88°F31°C, low temperature around 70°F21°C, chance of rain 48%, wind out of the SSW 11 mph17 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi9 km, humidity 77%. |
Tue, 1st Lo: 22°C72°F Hi: 31°C87°F |
Partly Cloudy Tuesday, temperatures as high as 87°F31°C, low temperature around 72°F22°C, chance of rain 56%, wind out of the WSW 13 mph21 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi9 km, humidity 78%. |
| Wed, 2nd Lo: 17°C62°F Hi: 25°C77°F |
Sunny Wednesday, temperatures as high as 77°F25°C, low temperature around 62°F17°C, chance of rain 3%, wind out of the NNW 8 mph13 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 58%. |
| Thu, 3rd Lo: 18°C64°F Hi: 27°C81°F |
Sunny Thursday, temperatures as high as 81°F27°C, low temperature around 64°F18°C, chance of rain 7%, wind out of the SSE 10 mph15 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 61%. |
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